Finding the Fourth Proportional to 187,426.92, 258,655.61 and 102,543.99
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Solution
The fourth proportional to 187,426.92, 258,655.61 and 102,543.99 is: 141,514.23
Step by Step Solution
- Step 1: Write the proportion equation
187,426.92 : 258,655.61 = 102,543.99 : x - Step 2: Convert to fraction form
187,426.92/258,655.61 = 102,543.99/x - Step 3: Cross multiply
187,426.92x = 258,655.61 × 102,543.99 - Step 4: Simplify right side
187,426.92x = 26,523,577,571.69 - Step 5: Solve for x
x = 26,523,577,571.69/187,426.92 - Step 6: Final answer
x = 141,514.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.